>> well, going way back to my days as a cartel prosecutor in the clinton administration, records, data on phones, and in those days, it was not so much cell phones, but their work some cell phones, it was crucial in the investigations that brought down the cartels, and in the cases before the supreme boards, the data was crucial, as well. in one case, there were gang videos. it was a gang retribution murder case, and in another case, there was data that identify the home of the person who was arrested, that then led the police to go there and search the home and find lots of guns and drugs and other things, and in both of these cases, the data was crucial, but the question was, was it time sensitive? did they needed at that moment, or could they have gone to a judge and secured a warrant? they'd in both cases had probable cause. i tell my friends to be conservative on these things. if you can get a warrant, get a warrant and, because you do not want to put the fate of all police actions on the court, and they could make bad law. >> ok, we are watching matt. brian cunningham, senior adv